[postfix-es] Mensaje de error

[Fco. José Leal Pino]

	Tengo Postfix 2..0.16-4 instalado en un servidor RedHat 9.0. Lo tengo
configurado con MYSQL+COURIER-IMAP+CYRUS-SASL.

	Hay usuarios que cuando intentan mandar un correo le sale estos mensajes de
error (los usuarios estan detrás de una red privada) que pasa por un
firewall.

Nov 11 13:46:04 multiservicios postfix/smtpd[24769]: 0889DC4101:
client=unknown[10.10.10.254], sasl_method=LOGIN, sasl_username=zzzz
Nov 11 13:46:04 multiservicios postfix/cleanup[24770]: 0889DC4101:
message-id=<005901c3a851$ac1e7380$740a0a0a en ti>
Nov 11 13:46:04 multiservicios postfix/qmgr[24766]: 0889DC4101:
from=<zzzz en xxxx.com>, size=1403, nrcpt=1 (queue active)
Nov 11 13:46:04 multiservicios postfix/smtpd[24769]: disconnect from
unknown[10.10.10.254]
Nov 11 13:46:04 multiservicios postfix/smtp[24779]: fatal: unknown service:
smtp/tcp
Nov 11 13:46:05 multiservicios postfix/qmgr[24766]: warning: premature
end-of-input on private/smtp socket while reading input attribute name
Nov 11 13:46:05 multiservicios postfix/qmgr[24766]: warning: private/smtp
socket: malformed response
Nov 11 13:46:05 multiservicios postfix/qmgr[24766]: warning: transport smtp
failure -- see a previous warning/fatal/panic logfile record for the problem
description
Nov 11 13:46:05 multiservicios postfix/master[24764]: warning: process
/usr/libexec/postfix/smtp pid 24779 exit status 1
Nov 11 13:46:05 multiservicios postfix/master[24764]: warning:
/usr/libexec/postfix/smtp: bad command startup -- throttling

	El fichero main.cf es el siguiente

body_checks_size_limit = 512000
bounce_size_limit = 500000
broken_sasl_auth_clients = yes
command_directory = /usr/sbin
config_directory = /etc/postfix
daemon_directory = /usr/libexec/postfix
debug_peer_level = 2
disable_dns_lookups = no
header_size_limit = 1024000
home_mailbox = Maildir/
inet_interfaces = all
local_recipient_maps =
mailq_path = /usr/bin/mailq.postfix
manpage_directory = /usr/share/man
maximal_queue_lifetime = 2d
message_size_limit = 30000000
mydestination = $myhostname, $mydomain, $transport_maps
mydomain = xxxx.com
myhostname =yyy.xxxx.com
mynetworks = 127.0.0.0/8, 10.10.10.0/24
myorigin = $mydomain
newaliases_path = /usr/bin/newaliases.postfix
readme_directory = /etc/postfix/README_FILES
sample_directory = /etc/postfix/samples
sendmail_path = /usr/sbin/sendmail.postfix
setgid_group = postdrop
smtp_connect_timeout = 300s
smtp_helo_timeout = 300s
smtp_mail_timeout = 300s
smtp_quit_timeout = 300s
smtp_rcpt_timeout = 300s
smtpd_banner = $myhostname ESMTP $mail_name ($mail_version)
smtpd_helo_required = yes
smtpd_recipient_restrictions = permit_sasl_authenticated	permit_mynetworks
check_relay_domains
smtpd_sasl_auth_enable = yes
smtpd_sasl_local_domain =
smtpd_sasl_security_options = noanonymous
transport_maps = mysql:/etc/postfix/transport.cf
unknown_local_recipient_reject_code = 450
virtual_alias_maps = mysql:/etc/postfix/virtual.cf
virtual_gid_maps = mysql:/etc/postfix/gids.cf
virtual_mailbox_base = /home/postfix
virtual_mailbox_maps = mysql:/etc/postfix/mysql_virt.cf
virtual_uid_maps = mysql:/etc/postfix/uids.cf

	Me podrían decir que es lo que tengo mal

	Muchas gracias y saludos



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